Home / 126,753.36-174,916.08-72,304.26

Finding the Fourth Proportional to 126,753.36, 174,916.08 and 72,304.26

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Solution

The fourth proportional to 126,753.36, 174,916.08 and 72,304.26 is: 99,777.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,753.36 : 174,916.08 = 72,304.26 : x
  2. Step 2: Convert to fraction form
    126,753.36/174,916.08 = 72,304.26/x
  3. Step 3: Cross multiply
    126,753.36x = 174,916.08 × 72,304.26
  4. Step 4: Simplify right side
    126,753.36x = 12,647,177,726.50
  5. Step 5: Solve for x
    x = 12,647,177,726.50/126,753.36
  6. Step 6: Final answer
    x = 99,777.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.